Chem1_Lab Report 6

Chem1_Lab Report 6 - of the calorimeter later. time T 10 40...

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Lab Report 6: Calorimetry Chemistry 1 Teddy Portney June 17, 2007 Summer 1, 2007 1. Purpose: The purpose of this experiment was to examine several different reactions, both physical and chemical, in which heat was exchanged from a substance in the reaction and the atmosphere, including other materials involved in the experiment, such as the calorimeter or water. 2. Experimental Methods: The procedure was followed as described in the handout from Chemistry 1, Summer 2007 at Tufts University for experiment 6; Calorimetry. 3. Data and Observations: The tables shown below include values from part A of this lab, mixing hot water with room temperature water. The graph shown is how we will calculate the heat capacity
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Unformatted text preview: of the calorimeter later. time T 10 40 20 40.4 30 40.3 40 40.2 50 40.1 60 40 70 39.9 80 39.8 90 39.7 100 39.6 110 39.5 120 39.5 130 39.4 140 39.3 150 39.3 160 39.2 170 39.1 180 39 Initial Final change Tcold 22 40.42 18.42 Thot 64.7 40.42-24.28 Mhot (g) 25 Mcold (g) 25 T vs time y = -0.0078x + 40.42 38 39 40 41 20 40 60 80 100 120 140 160 180 200 time (s) T (C) For part B of this lab, we had to determine the heat of solution of anhydrous sodium acetate. The table shown is similar to the table above, only instead of two samples of water at different temperatures, we used anhydrous sodium acetate. 4. Results and calculations: 5. Discussion and Conclusion: 6. Questions:...
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This note was uploaded on 03/27/2008 for the course CHEM 01 taught by Professor Kryatov during the Summer '07 term at Tufts.

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Chem1_Lab Report 6 - of the calorimeter later. time T 10 40...

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